The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7747926 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 29, 2010

Filed:

May. 02, 2006
Applicants:

Loren J. Wise, Tempe, AZ (US);

Thomas W. Andre, Austin, TX (US);

Mark A. Durlam, Chandler, AZ (US);

Eric J. Salter, Scottsdale, AZ (US);

Inventors:

Loren J. Wise, Tempe, AZ (US);

Thomas W. Andre, Austin, TX (US);

Mark A. Durlam, Chandler, AZ (US);

Eric J. Salter, Scottsdale, AZ (US);

Assignee:

Everspin Technologies, Inc., Chandler, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A memory device, such an MRAM device, includes self-healing reference bits () associated with a set of array bits (). The memory performs an error detection step (e.g., using an error-correction coding (ECC) algorithm, to detect the presence of a set of errors within the data bits. One of the reference bits () is toggled to a different state if an error count is greater than a predetermined threshold. If the set of errors remains unchanged when subsequently read, the reference bit () is toggled back to its original state.


Find Patent Forward Citations

Wise, Loren. (2010). Methods and apparatus for a memory device with self-healing reference bits (U.S. Patent No. 7747926). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7747926

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